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    Question

    The ratio of length to breadth of a rectangle is 5:4. If

    the sum of the length and breadth of the rectangle is 36 cm, then find the area (cm2) of the rectangle.
    A 300 Correct Answer Incorrect Answer
    B 340 Correct Answer Incorrect Answer
    C 320 Correct Answer Incorrect Answer
    D 310 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Let the length and breadth of the rectangle be 5x cm and 4x cm, respectively. According to the question, 5x + 4x = 36 Or, x = 36/9 = 4 Therefore, area of the rectangle = 5x × 4x = 20x2 = 320 cm2

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